Convert Becquerels to Picocuries
Convert Becquerels (Bq) to Picocuries (pCi) instantly and accurately.
Conversion Formula
pCi = Bq × 27.02702703
About Becquerels
The becquerel (Bq) is the SI coherent unit of radioactivity, defined as exactly one nuclear disintegration per second. Named after Henri Becquerel (discoverer of radioactivity, 1896), it replaced the curie in SI. Household smoke detector ²⁴¹Am sources contain ~30 kBq; a banana contains ~15 Bq of ⁴⁰K. 1 Bq = 1 s⁻¹.
About Picocuries
The picocurie (pCi) equals 3.7 × 10⁻² Bq = 37 mBq. The US EPA uses pCi/L as the standard unit for indoor radon (action level: 4 pCi/L) and drinking water radon; NRC licence exemption thresholds and natural uranium activity in groundwater are expressed in pCi/L. 1 pCi = 3.7 × 10⁻² Bq.
Quick Reference Table
| Becquerels (Bq) | Picocuries (pCi) |
|---|---|
| 1 Bq | 27.027 pCi |
| 2 Bq | 54.0541 pCi |
| 5 Bq | 135.135 pCi |
| 10 Bq | 270.27 pCi |
| 25 Bq | 675.676 pCi |
| 50 Bq | 1351.35 pCi |
| 100 Bq | 2702.7 pCi |